:root {
    --bg-main: #020617;
    --bg-card: #020617;
    --bg-card-soft: rgba(15,23,42,0.85);
    --accent: #6366f1;
    --accent-soft: #4f46e5;
    --accent-strong: #7c3aed;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --border-subtle: rgba(148,163,184,0.3);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1e293b 0, #020617 45%, #000 100%);
    color: var(--text-main);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

header {
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(15,23,42,0.9);
    backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-mark {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: conic-gradient(
        from 160deg,
        #4f46e5,
        #7c3aed,
        #06b6d4,
        #4f46e5
    );
    box-shadow: 0 0 18px rgba(129,140,248,0.6);
}

.logo-text-main {
    font-weight: 600;
    letter-spacing: 0.04em;
    font-size: 0.95rem;
}

.logo-text-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.85rem;
    align-items: center;
}

nav a {
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    color: var(--text-muted);
    border: 1px solid transparent;
}

nav a:hover {
    color: var(--text-main);
    border-color: rgba(129,140,248,0.5);
    background: radial-gradient(circle at top, rgba(79,70,229,0.25), transparent 55%);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.3rem;
    margin-left: 0.8rem;
    padding-left: 0.8rem;
    border-left: 1px solid var(--border-subtle);
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    color: var(--text-main);
    border-color: rgba(129,140,248,0.4);
}

.lang-btn.active {
    color: var(--text-main);
    background: rgba(99,102,241,0.2);
    border-color: rgba(129,140,248,0.5);
}

/* Language visibility - 7 languages: en, it, es, fr, de, pt, zh */
/* Hide all language-specific block elements by default */
h1[lang], h2[lang], h3[lang], p[lang], ul[lang], li[lang] { display: none; }

/* Show block elements for current language */
html:not([data-lang]) h1[lang="en"], html:not([data-lang]) h2[lang="en"], html:not([data-lang]) h3[lang="en"],
html:not([data-lang]) p[lang="en"], html:not([data-lang]) ul[lang="en"], html:not([data-lang]) li[lang="en"],
html[data-lang="en"] h1[lang="en"], html[data-lang="en"] h2[lang="en"], html[data-lang="en"] h3[lang="en"],
html[data-lang="en"] p[lang="en"], html[data-lang="en"] ul[lang="en"], html[data-lang="en"] li[lang="en"] { display: block; }

html[data-lang="it"] h1[lang="it"], html[data-lang="it"] h2[lang="it"], html[data-lang="it"] h3[lang="it"],
html[data-lang="it"] p[lang="it"], html[data-lang="it"] ul[lang="it"], html[data-lang="it"] li[lang="it"] { display: block; }

html[data-lang="es"] h1[lang="es"], html[data-lang="es"] h2[lang="es"], html[data-lang="es"] h3[lang="es"],
html[data-lang="es"] p[lang="es"], html[data-lang="es"] ul[lang="es"], html[data-lang="es"] li[lang="es"] { display: block; }

html[data-lang="fr"] h1[lang="fr"], html[data-lang="fr"] h2[lang="fr"], html[data-lang="fr"] h3[lang="fr"],
html[data-lang="fr"] p[lang="fr"], html[data-lang="fr"] ul[lang="fr"], html[data-lang="fr"] li[lang="fr"] { display: block; }

html[data-lang="de"] h1[lang="de"], html[data-lang="de"] h2[lang="de"], html[data-lang="de"] h3[lang="de"],
html[data-lang="de"] p[lang="de"], html[data-lang="de"] ul[lang="de"], html[data-lang="de"] li[lang="de"] { display: block; }

html[data-lang="pt"] h1[lang="pt"], html[data-lang="pt"] h2[lang="pt"], html[data-lang="pt"] h3[lang="pt"],
html[data-lang="pt"] p[lang="pt"], html[data-lang="pt"] ul[lang="pt"], html[data-lang="pt"] li[lang="pt"] { display: block; }

html[data-lang="zh"] h1[lang="zh"], html[data-lang="zh"] h2[lang="zh"], html[data-lang="zh"] h3[lang="zh"],
html[data-lang="zh"] p[lang="zh"], html[data-lang="zh"] ul[lang="zh"], html[data-lang="zh"] li[lang="zh"] { display: block; }

/* Inline elements (span) */
span[lang] { display: none; }

html:not([data-lang]) span[lang="en"], html[data-lang="en"] span[lang="en"] { display: inline; }
html[data-lang="it"] span[lang="it"] { display: inline; }
html[data-lang="es"] span[lang="es"] { display: inline; }
html[data-lang="fr"] span[lang="fr"] { display: inline; }
html[data-lang="de"] span[lang="de"] { display: inline; }
html[data-lang="pt"] span[lang="pt"] { display: inline; }
html[data-lang="zh"] span[lang="zh"] { display: inline; }

/* Links with lang attribute - default hide, then show for current lang */
a[lang] { display: none; }

html:not([data-lang]) a[lang="en"], html[data-lang="en"] a[lang="en"] { display: inline; }
html[data-lang="it"] a[lang="it"] { display: inline; }
html[data-lang="es"] a[lang="es"] { display: inline; }
html[data-lang="fr"] a[lang="fr"] { display: inline; }
html[data-lang="de"] a[lang="de"] { display: inline; }
html[data-lang="pt"] a[lang="pt"] { display: inline; }
html[data-lang="zh"] a[lang="zh"] { display: inline; }

/* Flex buttons in hero-actions need inline-flex */
.hero-actions a[lang] { display: none !important; }

html:not([data-lang]) .hero-actions a[lang="en"], html[data-lang="en"] .hero-actions a[lang="en"] { display: inline-flex !important; }
html[data-lang="it"] .hero-actions a[lang="it"] { display: inline-flex !important; }
html[data-lang="es"] .hero-actions a[lang="es"] { display: inline-flex !important; }
html[data-lang="fr"] .hero-actions a[lang="fr"] { display: inline-flex !important; }
html[data-lang="de"] .hero-actions a[lang="de"] { display: inline-flex !important; }
html[data-lang="pt"] .hero-actions a[lang="pt"] { display: inline-flex !important; }
html[data-lang="zh"] .hero-actions a[lang="zh"] { display: inline-flex !important; }

/* Chinese font support */
html[data-lang="zh"] {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

.main-wrapper {
    max-width: 1040px;
    margin: 1.8rem auto 3rem;
    padding: 0 1.5rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
    gap: 1.5rem;
    align-items: center;
    margin-bottom: 2rem;
}

.hero-left h1 {
    font-size: clamp(2.1rem, 3vw, 2.6rem);
    margin: 0 0 0.8rem;
}

.hero-highlight {
    background: linear-gradient(120deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-left p {
    margin: 0 0 0.8rem;
    color: var(--text-muted);
    font-size: 0.98rem;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.5);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.7rem;
}

.hero-pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34,197,94,0.9);
}

.hero-actions {
    display: flex;
    gap: 0.7rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: #fff;
    box-shadow: 0 12px 24px rgba(79,70,229,0.42);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.btn-ghost {
    padding: 0.55rem 1rem;
    border-radius: 999px;
    background: rgba(15,23,42,0.7);
    border: 1px solid rgba(148,163,184,0.6);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease;
}

.btn-ghost:hover {
    background: rgba(15,23,42,0.95);
}

.hero-right {
    border-radius: 18px;
    padding: 1rem 1rem 1.2rem;
    background: radial-gradient(circle at top right, rgba(96,165,250,0.25), transparent 55%),
                radial-gradient(circle at bottom left, rgba(129,140,248,0.35), transparent 55%);
    border: 1px solid rgba(148,163,184,0.5);
    box-shadow: 0 20px 40px rgba(15,23,42,0.7);
    font-size: 0.8rem;
}

.hero-tagline {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.hero-matrix {
    display: grid;
    grid-template-columns: 1.4fr 1.4fr;
    gap: 0.7rem;
    margin-top: 0.8rem;
}

.hero-matrix-card {
    padding: 0.6rem 0.7rem;
    border-radius: 10px;
    background: rgba(15,23,42,0.9);
    border: 1px solid rgba(148,163,184,0.45);
    transition: all 0.2s ease;
}

.hero-matrix-card:hover {
    border-color: rgba(129,140,248,0.6);
    transform: translateY(-2px);
}

.hero-matrix-title {
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.hero-matrix-text {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.section-title {
    margin: 0 0 0.4rem;
    font-size: 1.1rem;
}

.section-subtitle {
    margin: 0 0 1.2rem;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
}

.card {
    background: var(--bg-card-soft);
    border-radius: 14px;
    padding: 0.9rem 1rem 1rem;
    border: 1px solid rgba(148,163,184,0.4);
    box-shadow: 0 14px 30px rgba(15,23,42,0.8);
    font-size: 0.88rem;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: rgba(129,140,248,0.5);
    transform: translateY(-3px);
    box-shadow: 0 18px 36px rgba(15,23,42,0.9);
}

.card h3 {
    margin: 0 0 0.2rem;
    font-size: 1rem;
}

.card-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.card p {
    margin: 0 0 0.7rem;
    color: var(--text-muted);
}

.card a {
    font-size: 0.82rem;
    color: #a5b4fc;
    transition: color 0.2s ease;
}

.card a:hover {
    text-decoration: underline;
    color: #c4b5fd;
}

footer {
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: center;
    padding: 1rem 1.5rem 1.6rem;
    margin-top: 2rem;
    background: rgba(15,23,42,0.9);
}

/* Generic layout for inner pages */

.page-hero {
    margin-bottom: 1.5rem;
}

.page-hero h1 {
    margin: 0 0 0.3rem;
    font-size: 1.6rem;
}

.page-hero p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 620px;
}

.page-columns {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr);
    gap: 1.5rem;
}

.page-card {
    background: var(--bg-card-soft);
    border-radius: 14px;
    padding: 1rem;
    border: 1px solid rgba(148,163,184,0.4);
    box-shadow: 0 12px 24px rgba(15,23,42,0.9);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.page-card:hover {
    border-color: rgba(129,140,248,0.4);
}

.page-card h2 {
    margin-top: 0;
    font-size: 1.1rem;
}

.page-list {
    padding-left: 1.1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page-list li {
    margin-bottom: 0.35rem;
}

/* Responsive */

@media (max-width: 800px) {
    .hero {
        grid-template-columns: minmax(0, 1fr);
    }
    .hero-right {
        order: -1;
    }
    .page-columns {
        grid-template-columns: minmax(0, 1fr);
    }
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    nav {
        width: 100%;
        justify-content: flex-start;
    }
    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 0.5rem;
    }
}

@media (max-width: 500px) {
    .hero-matrix {
        grid-template-columns: 1fr;
    }
}

/* Slideshow Gallery */
.slideshow-container {
    margin-top: 0.8rem;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(15,23,42,0.5);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slideshow-container img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    transition: opacity 0.3s ease;
}

/* Blinking button animation */
@keyframes blink-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(34,197,94,0.5), 0 0 10px rgba(34,197,94,0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(34,197,94,0.8), 0 0 25px rgba(34,197,94,0.5), 0 0 35px rgba(34,197,94,0.3);
    }
}

@keyframes blink-glow-orange {
    0%, 100% {
        box-shadow: 0 0 5px rgba(251,146,60,0.5), 0 0 10px rgba(251,146,60,0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(251,146,60,0.8), 0 0 25px rgba(251,146,60,0.5), 0 0 35px rgba(251,146,60,0.3);
    }
}

.btn-blink {
    animation: blink-glow 1.5s ease-in-out infinite;
    background: linear-gradient(135deg, #22c55e, #10b981);
}

.btn-blink:hover {
    animation: none;
    box-shadow: 0 0 20px rgba(34,197,94,0.6);
}

.btn-blink-orange {
    animation: blink-glow-orange 1.5s ease-in-out infinite;
    background: linear-gradient(135deg, #f97316, #fb923c);
}

.btn-blink-orange:hover {
    animation: none;
    box-shadow: 0 0 20px rgba(251,146,60,0.6);
}

/* Coming soon badge */
.badge-coming-soon {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #f97316, #fb923c);
    font-size: 0.7rem;
    font-weight: 600;
    color: #fff;
    animation: blink-glow-orange 1.5s ease-in-out infinite;
    margin-left: 0.5rem;
}

/* Service list style */
.service-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
}

.service-list li {
    padding: 0.3rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.service-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Experience badge */
.experience-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.2));
    border: 1px solid rgba(129,140,248,0.4);
    font-size: 0.85rem;
    color: var(--text-main);
    margin-top: 0.8rem;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.faq-item {
    background: var(--bg-card-soft);
    border-radius: 12px;
    border: 1px solid rgba(148,163,184,0.4);
    overflow: hidden;
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: rgba(129,140,248,0.5);
}

.faq-item[open] {
    border-color: rgba(129,140,248,0.6);
    box-shadow: 0 8px 20px rgba(15,23,42,0.6);
}

.faq-item summary {
    padding: 1rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.2rem;
    color: var(--accent);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding: 0 1rem 1rem;
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}